The Johnson Controls T-5502-1002 Thermostat 0-100F -17/35C
The T-5500 Pneumatic Temperature Indicator provides continuous visual indication of temperature measured by a transmitter with a 3 to 15 PSIG (21 to 105 kPa) output range. The gage features a 3-1/2 in. (89 mm) dial size in standard and metric ranges with an accuracy of ±1/2% of full range